. >> ifill: this week marks the beginning of an important enrollment period for the healthcare law and its battle-scarred federal website. but, for now, the obama administration says it has good news. although performance can still be spotty, things are better than they were. the white house and the nation's top health agency say users shopping for insurance on healthcare.gov are having far more success today than a month ago. the troubled site, officials said, is working nearly 90 percent of the time for consumers, and that today, there were 375,000 people visits by noon. >> we believe we made the important progress that we set out to make by november 30 but as we said in november, and as i said just now, the work continues to make improvements that still need to be made to the website. >> ifill: officials say the site can handle 50,000 users at one time, and up to 800,000 each day. the health and human services department also said the site's so-called "back end," which delivers information to insurers, had been largely repaired. but problems remain. insurance companies remain unhapp